"""Add proposal file field

Revision ID: add_proposal_file
Revises: xxx
Create Date: 2024-03-21

"""
from alembic import op
import sqlalchemy as sa

def upgrade():
    op.add_column('thesis', sa.Column('proposal_file', sa.String(255), nullable=True))

def downgrade():
    op.drop_column('thesis', 'proposal_file') 